<script setup lang="ts">
import type { ContentNavigationItem } from '@nuxt/content'
import { findPageHeadline } from '#ui-pro/utils/content'

definePageMeta({
  layout: 'docs',
})

const route = useRoute()
const { toc, seo } = useAppConfig()
const navigation = inject<Ref<ContentNavigationItem[]>>('navigation')

const { data: page } = await useAsyncData(route.path, () =>
  queryCollection('docs').path(route.path).first(),
)
if (!page.value) {
  throw createError({
    statusCode: 404,
    statusMessage: 'Page not found',
    fatal: true,
  })
}

const { data: surround } = await useAsyncData(`${route.path}-surround`, () => {
  return queryCollectionItemSurroundings('docs', route.path, {
    fields: ['description'],
  })
})

useSeoMeta({
  title: page.value.title,
  ogTitle: `${page.value.title} - ${seo?.siteName}`,
  description: page.value.description,
  ogDescription: page.value.description,
})

defineOgImageComponent('Docs', {
  title: page.value.title,
  description: page.value.description,
})

const headline = computed(() => findPageHeadline(navigation?.value, page.value))

const links = computed(() => {
  const links = []
  if (toc?.bottom?.edit) {
    links.push({
      icon: 'i-lucide-external-link',
      label: 'Edit this page',
      to: `${toc.bottom.edit}/${page?.value?.stem}.${page?.value?.extension}`,
      target: '_blank',
    })
  }

  return [...links, ...(toc?.bottom?.links || [])].filter(Boolean)
})
</script>

<template>
  <UPage v-if="page">
    <UPageHeader
      :title="page.title"
      :description="page.description"
      :links="page.links"
      :headline="headline"
    />

    <UPageBody>
      <ContentRenderer v-if="page" :value="page" />

      <USeparator v-if="surround?.length" />

      <UContentSurround :surround="surround" />
    </UPageBody>

    <template v-if="page?.body?.toc?.links?.length" #right>
      <UContentToc :title="toc?.title" :links="page.body?.toc?.links">
        <template v-if="toc?.bottom" #bottom>
          <div
            class="hidden space-y-6 lg:block"
            :class="{ '!mt-6': page.body?.toc?.links?.length }"
          >
            <USeparator v-if="page.body?.toc?.links?.length" type="dashed" />

            <UPageLinks :title="toc.bottom.title" :links="links" />
          </div>
        </template>
      </UContentToc>
    </template>
  </UPage>
</template>
